system QB
A QB whom plays only in a certain offense in the game of football, only because that is the only possible way he can look good, since it eliminates his weaknesses, even though if he were placed on other offenses he would be greatly exposed
Tom brady is a system QB because he is successfull only in the Pats offense. If he were placed on any other offense, such as the Colts, he would fail because he does not have the talent to work that offense, and would be exposed. Unlike Peyton Manning who is great and can be able to lead any offense. Tim Tebow is also a system QB because he does not have the abilities to lead the Hawaii offense of Colt Brennan